Cognomen Kimhan (คิมหันต์ 
, Kimhan 
) , in the world, is a rare last name. The cognomen Kimhan is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, Cambodia, where it is a very rare surname, and Malaysia. In absolute terms, it most frequently occurs in Thailand, the United States, and Malaysia. More frequently, Kimhan is the forename as well as the last name.